doctype html
html(lang='cn') 
  head 
    title #{title}
    meta(charset='utf-8')
    meta(name='viewport' content='width=device-width initial-scale=1')
    link(rel="stylesheet", href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css", integrity="sha384-xOolHFLEh07PJGoPkLv1IbcEPTNtaed2xpHsD9ESMhqIYd0nLMwNLD69Npy4HI+N", crossorigin="anonymous")
    script(src="https://code.jquery.com/jquery-3.5.1.slim.min.js", integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj", crossorigin="anonymous")
    script(src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.min.js", integrity="sha384-+sLIOodYLS7CIrQpBjl+C7nPvqq+FbNUBDunl/OZv93DB7Ln/533i8e/mZXLi/P+", crossorigin="anonymous")
    link(rel='stylesheet', href='/stylesheets/style.css')

  body 
    div(class='container-fluid')
      div(class='row')
        div(class='col-sm-2')
          block sidebar
            ul(class='sidebar-nav')
              li 
                a(href='/catalog') Home
              li 
                a(href='/catalog/books') All books
              li 
                a(href='/catalog/authors') All authors
              li 
                a(href='/catalog/genres') All genres
              li 
                a(href='/catalog/bookinstances') All book-instances
              li 
                hr
              li 
                a(href='/catalog/author/create') Create new author 
              li 
                a(href='/catalog/genre/create') Create new genre
              li 
                a(href='/catalog/book/create') Create new book 
              li 
                a(href='/catalog/bookinstance/create') Create new book instance (copy)
        div(class='col-sm-10')
          block content
  